TIME AND LOCATION UPDATE

WHAT: Pepco to Hold Press Conference on Status of Power Outages

WHO: Thomas H. Graham, Pepco Region President

DATE: Friday, July 30, 2010

TIME: 4 P.M.

LOCATION: Pepco Headquarters, 701 Ninth Street, NW

For more information, contact Bob Hainey, Media Relations Manager, at (202) 872-2680 .

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Pepco, a subsidiary of Pepco Holdings, Inc. (NYSE: POM), delivers safe, reliable and affordable electric service to more than 778,000 customers in Maryland and the District of Columbia.